CN213456258U - Underground water low-speed well-washing sampling system - Google Patents
Underground water low-speed well-washing sampling system Download PDFInfo
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- CN213456258U CN213456258U CN202022436798.8U CN202022436798U CN213456258U CN 213456258 U CN213456258 U CN 213456258U CN 202022436798 U CN202022436798 U CN 202022436798U CN 213456258 U CN213456258 U CN 213456258U
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Abstract
The utility model discloses a groundwater low speed well-flushing sampling system, include: an airbag pump including a pump body and an airbag disposed inside the pump body; two ends of the air bag are respectively connected with a water outlet and a water inlet which are arranged at the upper end and the lower end of the pump body; the water outlet and the water inlet are respectively provided with a ball valve which closes the water outlet or the water inlet when no external force acts; the pump body is provided with an air transmission port penetrating into the pump body; the water quality monitor is internally provided with an air pump and a water sample detection module; the air pump is connected to the air delivery port through an air delivery pipe; the water sample detection module is connected to the water outlet through a water pipe. It is connected through gasbag pump and water quality monitoring ware, can realize sampling overall process air and water sample contactless, and the well-flushing water yield that significantly reduces simultaneously has the advantage of low discharge, low speed, low disturbance.
Description
Technical Field
The utility model relates to a groundwater sampling equipment technical field, in particular to groundwater low-speed well-flushing sampling system.
Background
When sampling and detecting volatile organic compounds in groundwater, in order to improve the accuracy of detection, need minimize the disturbance to groundwater, air and water sample contact should be avoided simultaneously, among the current water sample collection device, adopt suction pump or bailer pipe to carry out the collection of water sample more, but the use of suction pump can lead to the fact great disturbance to groundwater, and the bailer pipe needs manual operation, not only there is sampling time long, the low scheduling problem of sampling efficiency, still make air and water sample contact easily, cause the loss of aquatic volatile organic compounds, lead to the testing result inaccurate.
Therefore, there is an urgent need for a groundwater well-flushing and sampling system with low flow rate and low disturbance to ensure the accuracy of the detection result by the water sample.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing a groundwater low speed well-flushing sampling system, through gasbag pump and water quality monitoring ware's connection, can realize sampling overall process air and water sample contactless, the well-flushing water yield that significantly reduces simultaneously, and have the advantage of low discharge, low speed, low disturbance.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a sampling system for low-speed well washing of underground water, comprising:
an airbag pump including a pump body and an airbag disposed inside the pump body; two ends of the air bag are respectively connected with a water outlet and a water inlet which are arranged at the upper end and the lower end of the pump body; the water outlet and the water inlet are respectively provided with a ball valve which closes the water outlet or the water inlet when no external force acts; the pump body is provided with an air transmission port penetrating into the pump body;
the water quality monitor is internally provided with an air pump and a water sample detection module; the air pump is connected to the air delivery port through an air delivery pipe; the water sample detection module is connected to the water outlet through a water pipe.
Preferably, in the groundwater low-speed well washing sampling system, a control module is also arranged in the water quality monitor; the control module is connected with the air pump and the water sample detection module respectively.
Preferably, the groundwater low-speed well-flushing sampling system further comprises:
a water level monitor disposed above the air bag pump and connected to the control module by a cable.
Preferably, in the groundwater low-speed well-flushing sampling system, the air bag has compressibility so as to expand or contract according to the size of the internal water volume.
Preferably, in the groundwater low-speed well washing sampling system, the water quality monitor is provided with a wastewater outlet and a water sample outlet which are respectively connected with the water sample detection module.
Preferably, in the groundwater sampling system with low-speed well washing, the water inlet and the water outlet are respectively provided with a hollow baffle plate for limiting the moving distance of the ball valve.
Preferably, in the groundwater low-speed well washing sampling system, the water quality monitor is provided with a display module connected with the water sample detection module.
The utility model discloses at least, include following beneficial effect:
when the underground water low-speed well-flushing sampling system of the utility model is used, the gas pipe on the water quality monitor is connected with the gas transmission port of the pump body, the water pipe is connected with the water outlet of the pump body, then the water quality monitor is connected with a power supply, the pump body is put into the well from the well mouth until the water level required to be sampled is reached, the ball valve on the water inlet is pushed open by the water body due to the pressure in the well, the water flow slowly enters the air bag from the water inlet of the pump body, the air delivery port is deflated outwards along with the expansion of the air bag, when the air bag expands to the maximum degree and the outward airflow of the air transmission port stops, the air pump is used for introducing air into the pump body, the air bag is contracted by the pressure of the air along with the increase of the air in the pump body, the ball valve at the water outlet is jacked open by the water flow, so that the water in the air bag flows into the water quality monitor through the water outlet pipe and is detected by the water sample detection module. In the whole process of water sample collection, water only passes through the water inlet, the air bag and the water outlet, but does not contact with the air delivery port on the pump body outside the air bag, zero contact of the whole sampling process and air is realized, the air bag is fed with water slowly from the water inlet under the pressure of water, compared with the existing method of pumping water by using a water pump and the like, the water flow speed is slower and milder, the low flow and low speed of water sample collection are realized, the disturbance of groundwater in the water sample collection process is effectively avoided, and the accuracy of a detection result is further ensured.
The peculiar water flow sucking and releasing mode of the air bag pump enables water flow around the air bag pump to be basically free of disturbance, so that well washing can be achieved only by replacing the water flow around the air bag pump when well washing is conducted, well washing drainage is effectively reduced, and well washing efficiency is improved.
Through the air bag pump that the pump body, gasbag to and ball valve are constituteed, there is not mechanical parts in the structure, not only low in manufacturing cost, and effectively reduced the damage probability of air bag pump to make the maintenance frequency low, be fit for laying under water for a long time.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a groundwater low-speed well-flushing sampling system according to the present invention;
FIG. 2 is a structural diagram of the air bag pump according to the present invention when water is supplied;
fig. 3 is a structural diagram of the air bag pump when water is discharged.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-3, the utility model provides an underground water low-speed well-flushing sampling system, include: an airbag pump 100 including a pump body 110 and an airbag 120 disposed inside the pump body 110; both ends of the air bag 120 are respectively connected to a water outlet 111 and a water inlet 112 which are arranged at the upper end and the lower end of the pump body 110; the water outlet 111 and the water inlet 112 are respectively provided with a ball valve 700 for closing the water outlet 111 or the water inlet 112 when no external force acts; the pump body 110 is provided with an air transmission port 113 penetrating into the pump body 110;
the water quality monitor 200 is internally provided with an air pump 210 and a water sample detection module 220; the air pump 210 is connected to the air delivery port 113 through an air delivery pipe 300; the water sample detection module 220 is connected to the water outlet 111 through a water pipe 400.
In the proposal, when the underground water low-speed well-flushing sampling system is used, the gas pipe on the water quality monitor is connected with the gas transmission port of the pump body, the water pipe is connected with the water outlet of the pump body, then the water quality monitor is connected with a power supply, the pump body is put into the well from the well mouth until the water level required to be sampled is reached, the ball valve on the water inlet is pushed open by the water body due to the pressure in the well, the water flow slowly enters the air bag from the water inlet of the pump body, the air delivery port is deflated outwards along with the expansion of the air bag, when the air bag expands to the maximum degree and the outward airflow of the air transmission port stops, the air pump is used for introducing air into the pump body, the air bag is contracted by the pressure of the air along with the increase of the air in the pump body, the ball valve at the water outlet is jacked open by the water flow, so that the water in the air bag flows into the water quality monitor through the water outlet pipe and is detected by the water sample detection module. In the whole process of water sample collection, water only passes through the water inlet, the air bag and the water outlet, but does not contact with the air delivery port on the pump body outside the air bag, zero contact of the whole sampling process and air is realized, the air bag is fed with water slowly from the water inlet under the pressure of water, compared with the existing method of pumping water by using a water pump and the like, the water flow speed is slower and milder, the low flow and low speed of water sample collection are realized, the disturbance of groundwater in the water sample collection process is effectively avoided, and the accuracy of a detection result is further ensured.
The peculiar water flow sucking and releasing mode of the air bag pump enables water flow around the air bag pump to be basically free of disturbance, so that well washing can be achieved only by replacing the water flow around the air bag pump when well washing is conducted, well washing drainage is effectively reduced, and well washing efficiency is improved.
The pump body is preferably made of 316 stainless steel, and the air bag is made of inert materials, so that the pollution of the air bag pump to the water body is avoided, and the compliance of the sample is ensured. Through the air bag pump that the pump body, gasbag to and ball valve are constituteed, there is not mechanical parts in the structure, not only low in manufacturing cost, and effectively reduced the damage probability of air bag pump to make the maintenance frequency low, be fit for laying under water for a long time.
In a preferred embodiment, a control module 230 is further disposed in the water quality monitor 200; the control module 230 is connected to the air pump 210 and the water sample detection module 220 respectively.
In the scheme, the air pump and the water sample detection module can be conveniently controlled through the arrangement of the control module, for example, the control of the sampling frequency can be realized through the control of the air pump; the operation of well washing or sampling can be realized through the control of water sample detection module.
In a preferred embodiment, the method further comprises:
a water level monitor 500 disposed above the air bag pump 100 and connected to the control module 230 by a cable 600.
In the scheme, the water level monitor is arranged, so that the change of the water level in the well can be monitored in real time, and when the water level reaches the lower limit of descending, the control module controls the air pump to stop working, so that sampling is stopped, and the water level in the well can be supplemented in time. The water level monitor is arranged above the air bag pump and is integrally arranged with the air bag pump body, so that the cooperative automation of water level change and the water level monitor is completely realized, and the accurate detection of the water level is ensured; wherein, the water level monitor is preferably provided with an atmospheric pressure compensation water level monitor, so that accurate underground water dynamic water level is obtained through atmospheric pressure compensation from the above ground.
In a preferred embodiment, the bladder 120 has a compressibility to expand or contract with the amount of water inside.
In the scheme, the compressible air bag is arranged, so that the air bag can store water and discharge water along with the change of the pressure in the pump body.
In a preferred embodiment, the water quality monitor 200 is provided with a waste water outlet 221 and a water sample outlet 222 respectively connected to the water sample detection module 220.
In the above scheme, through the setting of waste water export and water sample export on the water quality monitoring ware, can make by the rivers that are not conform to the sampling standard or wash the well that collect in the well discharge by the waste water export, and the water sample through the detection passes through the water sample export and flows out, convenient backup collection.
In a preferred embodiment, hollow baffles 800 for limiting the moving distance of the ball valve 700 are respectively disposed on the water inlet 112 and the water outlet 111.
In the above scheme, through the setting of fretwork baffle, can make the displacement of ball valve obtain the restriction to effectual restriction rivers get into the gasbag by the water inlet or by the velocity of flow that the delivery port flowed out the gasbag, guarantee the low-speed nature that the water sample was collected, improved the quality of water sample.
In a preferred embodiment, the water quality monitor 200 is provided with a display module 240 connected to the water sample detection module 220.
In the above scheme, the display module connected with the water sample detection module is arranged on the water quality monitor, so that the detection data of the water sample can be displayed on the display module, and the recording and the checking of a user are facilitated. Meanwhile, a wireless communication module can be arranged in the water quality monitor, so that water sample data detected by the water quality monitor is remotely transmitted to a control center or a wireless terminal such as a smart phone connected with the water quality monitor through a wireless network.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides an underground water low-speed well-flushing sampling system which characterized in that includes:
an airbag pump including a pump body and an airbag disposed inside the pump body; two ends of the air bag are respectively connected with a water outlet and a water inlet which are arranged at the upper end and the lower end of the pump body; the water outlet and the water inlet are respectively provided with a ball valve which closes the water outlet or the water inlet when no external force acts; the pump body is provided with an air transmission port penetrating into the pump body;
the water quality monitor is internally provided with an air pump and a water sample detection module; the air pump is connected to the air delivery port through an air delivery pipe; the water sample detection module is connected to the water outlet through a water pipe.
2. The groundwater low-speed well-flushing sampling system as defined in claim 1, wherein a control module is further arranged in the water quality monitor; the control module is connected with the air pump and the water sample detection module respectively.
3. The groundwater low-speed well-flushing sampling system of claim 2, further comprising:
a water level monitor disposed above the air bag pump and connected to the control module by a cable.
4. The groundwater low-speed well-flushing sampling system as claimed in claim 1, wherein the bladder has compressibility to expand or contract with the amount of internal water.
5. The groundwater low-speed well washing and sampling system as defined in claim 1, wherein the water quality monitor is provided with a wastewater outlet and a water sample outlet which are respectively connected with the water sample detection module.
6. The groundwater low-speed well-flushing sampling system as claimed in claim 1, wherein the water inlet and the water outlet are respectively provided with a hollowed-out baffle for limiting a moving distance of the ball valve.
7. The groundwater low-speed well washing sampling system as claimed in claim 1, wherein the water quality monitor is provided with a display module connected with the water sample detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436798.8U CN213456258U (en) | 2020-10-28 | 2020-10-28 | Underground water low-speed well-washing sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436798.8U CN213456258U (en) | 2020-10-28 | 2020-10-28 | Underground water low-speed well-washing sampling system |
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| Publication Number | Publication Date |
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| CN213456258U true CN213456258U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022436798.8U Active CN213456258U (en) | 2020-10-28 | 2020-10-28 | Underground water low-speed well-washing sampling system |
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| CN (1) | CN213456258U (en) |
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